/Engine/Plugins/Editor/ObjectMixer/ObjectMixer/Source/ObjectMixer/Public/Views/List/ObjectMixerEditorList.h
bool RequestDuplicateCollection ( const [FName](API\Runtime\Core\UObject\FName) & CollectionToDuplicateName, [FName](API\Runtime\Core\UObject\FName) & DesiredDuplicateName ) const